An illustrated explanation of how water heaters work along with information on repair and maintenance. Included is information about hot water circulating systems. http://www.chilipepperapp.com/whwp.htm
Overview, common problems, and basic repairs of plumbing systems within the home, including drains, toilets, faucets, water heaters, and inflow/outflow valves. http://houseandhome.msn.com/improve/plumbing.aspx
Information on how to choose water filters and softener systems. Includes types of filters, methods of filtration, and contaminants to be aware of. http://www.watersoftener-filters.com